import { IMapFunction } from '../../../../../../observer/pipes/built-in/map/map-function.type';
import { IObservable } from '../../../../../type/observable.type';
import { IObservablePipe } from '../../../../type/observable-pipe.type';
export declare function mergeMapObservablePipe<GIn, GOut>(mapFunction: IMapFunction<GIn, IObservable<GOut>>, maxNumberOfSubscriptions?: number): IObservablePipe<GIn, GOut>;